If you live or work in Montana, you may need to file and pay individual income tax. These resources can help you determine your filing requirements and options.
Individual Income Tax Due Dates
- Returns
- April 15
- Extension
- October 15
Individual Return Filing
- Filing Requirements
- Filing Status
- Income Tax Rates, Deductions, and Exemptions
- Tax Credits
- Montana Residency
- Filing Information for Military Personnel and Spouses
- Filing Information for Native Americans
- Retirements Income Exemptions, Deductions, and Exclusions
- Amending or Correcting a Return
- Making Estimated Tax Payments